XRT86L30
REV. 1.0.1
SINGLE T1/E1/J1 FRAMER/LIU COMBO
FIGURE 120. ITU G.703 PULSE TEMPLATE
269 ns
(244 + 25)
V = 100%
194 ns
(244 – 50)
Nominal pulse
50%
244 ns
219 ns
(244 – 25)
0%
488 ns
(244 + 244)
Note
– V corresponds to the nominal peak value.
TABLE 188: TRANSMIT PULSE MASK SPECIFICATION
Test Load Impedance
75
Ω
Resistive (Coax)
2.37V
120
Ω
Resistive (twisted Pair)
3.0V
Nominal Peak Voltage of a Mark
Peak voltage of a Space (no Mark)
Nominal Pulse width
0 + 0.237V
244ns
0 + 0.3V
244ns
Ratio of Positive and Negative Pulses Imbalance
0.95 to 1.05
0.95 to 1.05
270